As the weather becomes warmer in spring, the blood vessels and pores of the skin gradually expand, and the blood flow to the skin and body surface increases greatly. And the total flow of blood in the human body is constant, the skin blood flow increases, the body is not well adjusted, then the blood supply to the brain will be relatively reduced, oxygen and nutrients are also reduced, easy to lead to headaches, headaches are the most common hidden problems in spring, so why is it that the most people have headaches in spring? How can you adjust your body to meet the spring? Let’s learn more about it below. In the four seasons of the year, the most headache patients in spring, which mainly have the following reasons: 1, sleep rhythm change Spring light time is significantly longer, dawn also became earlier, the pineal gland in the human brain according to the brightness of the secretion of hormones, so that people wake up early, so that the human sleep time because of early awakening and reduced by nearly 30 minutes, resulting in sleep deprivation, causing mental tension, cerebral blood vessels reflexive mild expansion, which occurs Tension headache. 2. Viral infection The temperature rises in spring, but the temperature changes a lot, and this kind of meteorological conditions with a big temperature difference can easily lead to the occurrence of viral diseases. People infected with viruses do not necessarily appear typical diseases, but viraemia occurs. At this time, the body produces antibodies to resist the virus, to kill and remove the virus, causing intracranial vasodilatation and even a mild increase in intracranial pressure, resulting in headache, nausea, vomiting and other symptoms. 3, chlamydia infection Spring is prone to chlamydia infection, chlamydia is a microorganism between bacteria and viruses, human infection with chlamydia can occur bronchitis, pneumonia, conjunctivitis, urethritis, etc., chlamydia invasion of the body can cause significant headache, joint pain. 4, hypertension In spring, everything is flourishing, and the blood pressure of hypertensive patients often rises with the rise in temperature. Elevated blood pressure is also one of the causes of headache.